PIERRE SIMON PALLAS "VOYAGES DE M.
P.S. PALLAS..." PUBLISHED IN PARIS, 1793, SET OF SIX:"Voyages de M.P.S. Pallas, en Differentes Provinces de L'Empire de Russie, et Dans L'Asie Septentrionale" (Travels of M.P.S. Pallas in Different Provinces of the Russian Empire and in Northern Asia, by Pierre Simon Pallas; published in Paris, 1793. Five volumes in original stiff wrapper covers; 5 books and atlas.